New York (CNN) -- Five people were killed and at least eight injured Tuesday in an accident involving a farm tractor and two automobiles in western New York, the Yates County Sheriff's Office said.

Several helicopters and at least 10 ambulances were in the town of Benton to assist, according to a Sheriff's Office statement.

Eight people were taken to area hospitals, though more may have been hurt.

In an earlier statement, the Yates County Sheriff's Office said that between four and five people were caught in the wreckage. The Sheriff's Office made no mention of whether people were still trapped in a later statement.